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Official data from INPI

PROCESSO PARA A ELIMINACAO DE DEPOSITOS ADERENTES OU EM FORMA DE POEIRA EM INSTALACOES PARA A MANIPULACAO DE HEXAFLUORETO DE URANIO

ConcedidaInvention Patent

Application data

Number

PI8101514

Type

Invention Patent

Filing

03/14/1980

Publication

-

Progress at the INPI

  1. Filing03/14/80
  2. Publication
  3. Examination08/23/83
  4. Allowance08/20/85
  5. Grant06/24/86
  6. Terminated02/04/92

The patent was granted on 06/24/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

MASCHF AUGSBURG NUERNBERG AG

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Inventors

B. W. (pessoa física)

E. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

9.1.3

10/22/1985

RPI 783

Deferimento

#9.1

08/20/1985

RPI 774

Republicação - classificação IPC

#15.11

04/23/1985

RPI 757

Exigência - art. 36 da LPI

#6.1

02/05/1985

RPI 746

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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